// Copyright 2013 Tumblr, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package srv

import (
	"circuit/kit/tele/file"
	"circuit/use/circuit"
	"os"
	"time"
)

type App struct{}

func init() {
	circuit.RegisterFunc(App{})
}

func (App) Open(filepath string) circuit.X {
	f, err := os.Open(filepath)
	if err != nil {
		return nil
	}
	circuit.RunInBack(func() { time.Sleep(5 * time.Second) })
	return circuit.Ref(file.NewFileServer(f))
}
